52002022520 has 32 divisors (see below), whose sum is σ = 133719487200. Its totient is φ = 17829264768.

The previous prime is 52002022493. The next prime is 52002022537. The reversal of 52002022520 is 2522020025.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 52002022492 and 52002022501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92860475 + ... + 92861034.

It is an arithmetic number, because the mean of its divisors is an integer number (4178733975).

Almost surely, 2^52002022520 is an apocalyptic number.

It is an amenable number.

52002022520 is an abundant number, since it is smaller than the sum of its proper divisors (81717464680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52002022520 is a wasteful number, since it uses less digits than its factorization.

52002022520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185721527 (or 185721523 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

Adding to 52002022520 its reverse (2522020025), we get a palindrome (54524042545).

The spelling of 52002022520 in words is "fifty-two billion, two million, twenty-two thousand, five hundred twenty".